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Finding the Fourth Proportional to 344,257.32, 475,065.63 and 191,291.55

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Solution

The fourth proportional to 344,257.32, 475,065.63 and 191,291.55 is: 263,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,257.32 : 475,065.63 = 191,291.55 : x
  2. Step 2: Convert to fraction form
    344,257.32/475,065.63 = 191,291.55/x
  3. Step 3: Cross multiply
    344,257.32x = 475,065.63 × 191,291.55
  4. Step 4: Simplify right side
    344,257.32x = 90,876,040,714.43
  5. Step 5: Solve for x
    x = 90,876,040,714.43/344,257.32
  6. Step 6: Final answer
    x = 263,977.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.